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Finding the Fourth Proportional to 431,291.43, 595,168.44 and 270,233.46

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Solution

The fourth proportional to 431,291.43, 595,168.44 and 270,233.46 is: 372,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,291.43 : 595,168.44 = 270,233.46 : x
  2. Step 2: Convert to fraction form
    431,291.43/595,168.44 = 270,233.46/x
  3. Step 3: Cross multiply
    431,291.43x = 595,168.44 × 270,233.46
  4. Step 4: Simplify right side
    431,291.43x = 160,834,426,824.00
  5. Step 5: Solve for x
    x = 160,834,426,824.00/431,291.43
  6. Step 6: Final answer
    x = 372,913.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.